Home / 357,397.35-534,756.08-212,774.18

Finding the Fourth Proportional to 357,397.35, 534,756.08 and 212,774.18

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Solution

The fourth proportional to 357,397.35, 534,756.08 and 212,774.18 is: 318,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,397.35 : 534,756.08 = 212,774.18 : x
  2. Step 2: Convert to fraction form
    357,397.35/534,756.08 = 212,774.18/x
  3. Step 3: Cross multiply
    357,397.35x = 534,756.08 × 212,774.18
  4. Step 4: Simplify right side
    357,397.35x = 113,782,286,422.01
  5. Step 5: Solve for x
    x = 113,782,286,422.01/357,397.35
  6. Step 6: Final answer
    x = 318,363.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.